Many people think that cheap oakley sunglasses are a show charisma external manifestation, a strong sun, whether it is summer or winter, there are people who like to wear a pair of sunglasses to show their charm, but long wearing glasses, you will find a lot of friends his eyesight is getting worse, then wearing sunglasses do harm to eyes? Our experts give you a look at the following details:
According to experts, more suitable spot, wearing sunglasses patient discomfort mainly reflected, such as early in the eye near the nose area around a clear sense of numbness and tingling, breathing symptoms become more pronounced, much like the common cold, as well as people feel like There are small insects crawling on the face away, gingival numbness, home tooth discomfort, local inflammation of the skin caused by poor blood circulation, eye soreness, vision loss.
Anatomy and physiology of Medicine showed that there is a small hole in the bottom of the eye, called the infraorbital hole, this hole has an important nerve branches, namely the trigeminal nerve infraorbital nerve. It is distributed in the gape between the skin and the eye fissure nose, head of sensory functions. Since the weight of sunglasses and mirror ring focus infraorbital nerve compression, nerve distribution area will lead to discomfort, mostly in wearing sunglasses appear after 2-3 weeks.
Experts believe that prevention is the key, it is necessary to select the correct and rational use of fake oakleys sunglasses. Do not choose a large frame glasses. Since such frames are mostly imported, is based on the alien face design, and the majority of adults is less than the distance between two pupils and large frame glasses imported from the optical center, wearing the glasses will greatly increase the burden of eye adjustment function and damage eyesight. As for the street stalls selling cheap sunglasses, making very rough, lenses of varying thickness, the color is not uniform, the optical performance is poor, wear easily after causing headaches, eye pain, fatigue, discomfort, often wear sunglasses that bad , can easily lead to vision loss.
Choose sunglasses so very knowledgeable, easy on the eyes improper selection damage, the choice of sunglasses should pay attention to the issue are:
Should go to regular optical shop choose the regular manufacturers of sunglasses with UV protection. Street small stands, hawkers sell glasses to UV can not reach the standard, it is best not to buy.
Note that when selecting the lens surface should be smooth, ripple-free, flawless, no bubbles, no wear marks. To lens flat, horizontal direction from the observation sheet without warping. Uneven or traces of bubble lenses should buy.
Lens color selection should be put on after watching the color of the surrounding environment without distortion, sharp edges of objects, which can effectively identify the different color lights principle. Lens color depth selection, should be considered activities, generally at medium depth as well, such as light gray, light brown, light green, etc. These colored sunglasses on infrared, ultraviolet absorption better. Of course, if the request shading effect is very strong, it should choose darker lenses cheap oakleys sunglasses. But the bike or car can not choose the lens color is too deep, or can not effectively identify different colors of traffic lights.
— Error with sunglasses may be give you myopia
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